 They belong to a group of c. 20 runestones called the Jarlabanke Runestones that are connected to the local chieftain Jarlabanke and his clan.Together with the Broby bro Runestones and the Hargs bro runic inscriptions these particular runestones, however, centre on the female matriarch of the clan called Estrid, who was the grandmother of Jarlabanke.The runemaster of the Snottsta runestone called U 329, where an Estrid and her brother Ragnfast are mentioned, was Fot who also made the runestones for the Jarlabanke clan.